3. A political scientist would like to estimate the proportion of voters who read their ballot before going to vote with 98% confidence. She knows that a previous study showed that 65% of voters read their ballots before voting. She would like to be accurate within 4% of the true proportion. How large of a sample size does she need?
3. A political scientist would like to estimate the proportion of voters who read their ballot before going to vote with 98% confidence. She knows that a previous study showed that 65% of voters read their ballots before voting. She would like to be accurate within 4% of the true proportion. How large of a sample size does she need?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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